// Clear Email Address Box
function clearDefault(el) {
  if (el.defaultValue==el.value) el.value = ""
}


if (document.images) {       //if image object is available
img1on = new Image();  // Top Navigation Mouseovers
img1on.src = "/images/tnb_take_tour_hl.gif";
img2on = new Image();
img2on.src = "/images/tnb_features_hl.gif";
img3on = new Image();
img3on.src = "/images/tnb_pricing_hl.gif";
img4on = new Image();
img4on.src = "/images/tnb_success_stories_hl.gif";

}

function imgOn(imgName) {
    if (document.images) {
        document["description"].src = eval(imgName + "on.src");
    }
}

function imgOff(imgName) {
    if (document.images) {
        document["description"].src = "/images/spacer.gif";
    }
}

function doTour(url,popW,popH) {
var w = 480, h = 340;

if (document.all || document.layers) {
   w = screen.availWidth;
   h = screen.availHeight;
}

var leftPos = (w-popW)/2, topPos = (h-popH)/2;

var TourWindow = window.open(url,'TourWindow','width=' + popW + ',height=' + popH + ',top=' + topPos + ',left=' + leftPos);
TourWindow.focus();
}

function popHTML(url,width,height,scroll) {
    window.open(url,'winHTML','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=' + scroll + ',resizable=1,width=' + width + ',height=' + height + ',left=212,top=84');
}